/*
 * Copyright (C) 2015 Karumi.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.karumi.dexter;

import com.karumi.dexter.uitool.DexterLogUtil;

import ohos.eventhandler.EventHandler;
import ohos.eventhandler.EventRunner;

/**
 * A thread to execute passed runnable objects on a worker thread
 */
final class WorkerThread implements Thread {
    private final EventHandler handler;
    private boolean wasLooperNull = false;
    EventRunner eventRunner = null;

    WorkerThread() {
        // Handle the case where the current thread has not called Lopper.prepare()
        if (EventRunner.current() == null) {
            wasLooperNull = true;
            eventRunner = EventRunner.create();
        }
        handler = new EventHandler(eventRunner);
    }

    @Override
    public void execute(final Runnable runnable) {
        handler.postTask(runnable);
    }

    @Override
    public void loop() {
        DexterLogUtil.info("dexterLogUtil", "Thread-loop");
        if (wasLooperNull) {
            if (eventRunner != null) {
                DexterLogUtil.info("dexterLogUtil", "Thread-eventRunner");
                eventRunner.run();
            }
        }
    }
}
